Chemistry Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ? Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead Zinc and carbon Iron and cadmium Nickel and cadmium Lead peroxide and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Argon Neon Helium Oxygen Argon Neon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O Na2SO4.10H2O NaHCO3 Ca(OH)2 Na2CO3.10H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Methane emission CFC emission Carbondioxide emission Deforstation Methane emission CFC emission Carbondioxide emission Deforstation ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Textiles Silica Paper Asbestos Textiles Silica Paper Asbestos ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest ionization potential is Helium Carbon Oxygen Boron Helium Carbon Oxygen Boron ANSWER DOWNLOAD EXAMIANS APP
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